Pith Number

pith:EW7JSVCD

pith:2019:EW7JSVCDT6LPCV4MWX46B2YIPY

not attested not anchored not stored refs pending

Geometric Algorithm of Schr\"odinger Flow on a Sphere

Hsiao-Fan Liu

arxiv:1905.06013 v1 · 2019-05-15 · math.DG · nlin.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EW7JSVCDT6LPCV4MWX46B2YIPY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:46:07.740417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25be9954439f96f1578cb5f9e0eb087e0fc88b19b81c53e04999f33f3d207d25

Aliases

arxiv: 1905.06013 · arxiv_version: 1905.06013v1 · doi: 10.48550/arxiv.1905.06013 · pith_short_12: EW7JSVCDT6LP · pith_short_16: EW7JSVCDT6LPCV4M · pith_short_8: EW7JSVCD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EW7JSVCDT6LPCV4MWX46B2YIPY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 25be9954439f96f1578cb5f9e0eb087e0fc88b19b81c53e04999f33f3d207d25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19a18fd619f56594fdbddd5e05773bf68f34c6a0534120a89b9012b5a357290",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-05-15T08:05:42Z",
    "title_canon_sha256": "a665d52719fcb0fdf22c21fc5a654a05c57c486c0fb58999e2eb62b0c05a99ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06013",
    "kind": "arxiv",
    "version": 1
  }
}